Michael Komisarenko

Senior Business Analyst

Salary / Daily rate

Wrocław, Poland

Freelance

Can come onsite

Skills

SQL QueriesPythonData Analysis

Languages

EnglishFrenchItalianGerman

About me

Intro

Senior Business/Data Analyst with 10+ years transforming data into business value across healthcare, finance, and insurance sectors. Delivered 15% collection increase through automated pipelines and 20% faster delivery via optimized requirements processes. Expert in Python, SQL, Snowflake, and Power BI with proven track record in end-to-end project delivery from requirements to production.

Links

Work experience

Senior Business Analyst

AXA XL

Oct 2024 - Jul 2025

10 months

Remote, OR 97458, USA

Achievements: documented the requirements and followed though the invoicing projects from scratch for Italy and Germany; documented and followed through the introduction of a new product for France: Kidnap & Ransom, implemented mandatory regulatory and compliance changes; improvements to the Art Suite of applications, Guidewire 9 PolicyCenter, ClaimsCenter as required by business; acted as a go between the business side including underwriting, middle office, pricing and the offshore development team, modeled changes to the operational SQL Server, ran analytics and built dashboards / reports in Power BI. Responsibilities: Elicit and document business and functional requirements; document mapping and business rules, coordinate development efforts; resolve production incidents; produce scenarios and conduct UAT.

Senior Business and Data Analyst

Roche

Jun 2024 - Jul 2025

1 year 2 months

Achievements: Integrated new must win countries geographical boundaries, census data, health risk data for administrative units and for adherent to clinical trial sites radius areas for online clinical trial site selection website. Redesigned and implemented data exchange with CMR (clinical study benchmarking). Implemented clinical trial site alliances. Designed site alliances management app; designed address to geolocation conversion and verification process for trial sites, was involved in Sitescape and Countryscape projects, exposed clinical sites, studies and PIs data to data science views. Responsibilities: Elicit and document business and integration requirements, ingest data using REST API or web scraping, build ETL data pipelines for new data sources, pre-process and profile data; define and document transformation rules, conduct explorative, descriptive and diagnostic data analysis using Python; store data on Snowflake on AWS; produce PoC for Streamlit web applications; integrate new data feeds and expose data to downstream applications, build advanced SQL queries on Snowflake; created a data model for site alliances, built Tableau reports and dashboards.

Senior Business / Data Analyst / Product Owner

Miratech

Mar 2020 - Dec 2023

3 years 10 months

Remote, OR 97458, USA

Accounts: Axactor Italy, Axactor Debtor Portal Objectives: Streamline company’s reporting as part of the company wide performance review. Improve user experience and expand Debtors Portal. Achievements:  As a Data Analyst / Data Engineer for the Reporting DWH: implemented a scoring system, took an active part in streamlining and automating the collection cycle, which increased collections by 15 % on an annual basis.  As the Business Analyst for Debtor’s Portal: - improved requirements management, change request pipeline, enriched the process with feasibility study, which resulted in a 20% shorter time to delivery for change requests; throughput is about 10 change requests on a monthly basis; - documented and followed through to production live chat for the Scandinavian countries; - documented and followed through to production Debtors Portal Germany. Responsibilities: Build and maintain the ETL data pipeline, data pre-processing and data profiling using AI, define and document transformation rules, conduct explorative, descriptive and diagnostic data analysis; produce PoC; integrate Debtors Portal data feeds, build advanced SQL queries; elicit and document report requirements; elicit, document and maintain the requirements for a new credit cycle management tool; evolve the Data Warehouse structure and performance; data versioning, table partitioning and archiving, prepare a business orchestration PoC on Camunda and cost benefit analysis; model the collection cycle business processes for orchestration document, prepare data and oversee predictive ML projects: prioritize the dialer queue based on the probability of getting a Promise to Pay (PTP) using a simple linear regression algorithm; segment debtors using the K-means clustering algorithm.

Sr. Business Analyst/Product Owner

EPAM Systems

Oct 2018 - Jan 2020

1 year 4 months

Kyiv, Ukraine, 02000

Objective: Build a new company wide notifications and subscriptions engine. Responsibilities: Conducted a discovery, elicited and documented business requirements, translated business requirements into functional and non-functional and integration requirements, produced wireframes, produced a relational database model, built and managed the backlog, communicated with stakeholders at all stages of the project, created user stories and acceptance criteria, prepared UAT scenarios.

Luxoft

Oct 2014 - May 2018

3 years 8 months

Kyiv, Ukraine, 02000

Senior Analytics Specialist

Nov 2015 - May 2018

2 years 7 months

Kyiv, Ukraine, 02000

Deutsche Bank Account, Asset Management, iCROCI® Project https://croci.deutscheam.com/ - Business and non-functional requirements elicitation, documentation (BRD), high level DFD and logic ERD, review, approval and sign-off by stakeholders; - Defining project approach and splitting scope in phases; - Performing high-level estimate and WBS; - Translation of business requirements into functional specifications (FSD) by use case. - Defining and documenting upstream and downstream integration requirements; - Building web site map; - Designing, discussing and approving wireframes; - Building Validation Workbook; - Defining privileges and building Security Matrix; - Mapping data; - Providing input and reviewing Project Plan; - Reviewing and approving test cases; - Functional requirements handover and review sessions; - Liaison between Client, IT, development and QA teams; - Performing integration test; - Preparing user acceptance test scenarios; - Discussion and analysis of new features, documenting change requests; - Coordinating offshore system and user acceptance testing teams; - Processing UAT feedback; - System handover and KT sessions;

Senior Analytics Specialist

Jun 2015 - Dec 2015

7 months

Kyiv, Ukraine, 02000

Deutsche Bank Account Investment Banking, Global Business Services, Client Payment System Project (dB Autobahn) - Translating business requirements into functional requirements. - Business requirements clarification. - Preparing Functional Specification Documentation - Preparing functional breakdown - Preparing logical data models - Building use cases - Building and updating project plan - Coordinating development and QA efforts - Proxy Product Ownership - distributed team: US - UK - Ukraine

Sr Data Warehouse Developer

Oct 2014 - May 2015

8 months

Kyiv, Ukraine, 02000

Deutsche Bank Account, Reporting and Control, Real Time Transactional Data Warehouse Oracle Database 11g, Oracle Exadata Machine, Oracle 12c

Sr vWarehouse Developer / Analyst

Lombardia Informatica

Oct 2008 - Jul 2014

5 years 10 months

Milan, Metropolitan City of Milan, Italy

Skills: Microsoft Excel · Problem Solving · Technical Specs · Analytical Skills · Agile Methodologies · Microsoft Office · IT Business Analysis · Tech Savy · Data Ingestion · Technical Requirements · Documentation


Education

Kharkiv National University of Radio Electronics

Bachelor's degree

1988 - Present

38 years 10 months

Pontificia Università Urbaniana, Rome, Italy

Bachelor of Arts - BA

1990 - 1993

3 years 1 month

The best place to find your next move

© 2026. All Rights Reserved.